As implemented in Agilent's 89600 WLA software, wireless link analysis decodes control and feedback messages and then correlates them with the physical-layer signals they manage. The key benefit is the ability to view and interpret RF activity and measurements-retransmissions, power, modulation format, timing and so on-in a MAC-message context, and to also view and interpret MAC messages in an RF context.

"A typical RF analyzer alone isn't capable of providing a complete picture of complex link behavior," said GuySene, vice president and general manager of Agilent's Microwave and Communications Division. "With the 89600 WLA software, PHY-savvy engineers can add new analysis capabilities to their existing 89600 VSA test setups for a modest additional investment of time and expense."

The 89600 WLA emphasizes the graphical representation of information, which is an effective way to assess the inherently dynamic nature of, for example, LTE signals. A visual approach enables fast identification of anomalies, even if the engineer is not expecting to see a problem-and especially if they are not an expert in LTE signaling protocols. Once a problem is identified visually, detailed analysis will help reveal the cause of the suspect behavior.

Agilent's 89600 WLA software includes several capabilities that enhance the analysis of LTE devices: